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Former Wickham Securities CEO jailed

The former chief executive of Wickham Securities has been sentenced to five years' jail for "fraudulent and deceitful" conduct while at the helm of the collapsed mortgage lender.

Garth Peter Robertson, 50, fronted the Brisbane District Court on Thursday having pleaded guilty to a range of commonwealth and state charges, including fraud and giving false information to a trustee.

Judge Tony Moynihan sentenced him to five years' jail, to be suspended after 20 months, and said it was likely his conduct took a "devastating" toll on clients of the company, which collapsed in December 2012.

It came after the court heard the former banker had committed the crimes between November 2010 and November 2012, despite having an unblemished criminal and professional history up to that point.

"The victims of your fraudulent and deceitful behaviour have suffered loss and harm," Judge Moynihan said.

"You lacked the moral and ethical discipline to resist the temptation to fraudulently deal with money in an environment where the rigorous checks and balances of the banking industry did not apply."

During this time, he illegally obtained more than $700,000 and used the funds to pay off tax debts, mortgage and credit card repayments.

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Judge Moynihan said some of the charges involved Robertson diverting funds away from Wickham Securities to his own personal accounts while employed as its chief executive and director.

But defence barrister Damien Atkinson said it was "startling" how normal his client's life had been before he took the Wickham Securities job over another potential employer in a "sliding doors" moment.

Since then, he said Robertson's wife had left him and he had lost his house and car, as well as battled with depression.

Judge Moynihan noted his client had expressed shame and remorse at his actions and was a low risk of reoffending.

Wickham Securities went into administration in December 2012, owing $27 million to about 300 clients.